Brush



FIG. 1 is a front elevational view of my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

The broken-line showing of brush tips in the figures illustrates environmental matter which forms no part of the claimed design. 

CLAIM The ornamental design for a brush, as shown and described. 